本研究主要以高分子混摻(polymer blend)方式將矽橡膠(silicone rubber)與環氧樹脂(epoxy resin)做結合，先以流變儀(Rheometer)決定加工時間和熱示差掃描量熱儀(DSC)決定加熱溫度著手，再探討混合後的情況，以熱動態機械分析(DMA)探討其相容性，以拉伸試驗探討其應力應變，以熱重損失分析(TGA)探討其耐熱性的變化，以接觸角(Contact angle)探討其混合相之親水疏水效果，最後以電子顯微鏡(SEM)觀察其相分離狀況。本研究中為使兩相混合情況更趨一相，亦另添加改質劑矽烷耦合劑(Silane)和吡咯(Pyrrole)，矽烷耦合劑在矽氧鍵部分能與矽橡膠反應，胺鏈端能對環氧基開環，而吡咯部分是雙鍵對矽橡膠之末端雙鍵作加成聚合，氮原子攻環氧基開環。在熱重損失部分，隨著矽橡膠比例增加，熱裂解溫度也隨之提高，代表熱穩定性有趨勢的延後，殘渣量的提高，代表熱安定性也跟著提高。在動態機械分析中，以SE55為相容性最佳，且Tg點提高超出原環氧樹脂，其熱性質也隨之提高，加入改質劑後也使兩相拉近，節點增加，代表其網目糾結程度增加。在拉伸試驗中，以SE82比例為佳，加入改質劑後，吡咯(Pyrrole)的效果提升更為明顯。在接觸角中，加入改質劑對疏水效果都有明顯的提升。

This study focuses on synthesis of silicone rubber/epoxy resin composites using polymer blend method. First of all, we used rheometer to determine processing time and dynamic scanning calorimetry (DSC) for optimum process temperature as well. Secondly to evaluate the composites, the dynamic mechanical analysis (DMA) was used for investigating miscibility, thermal gravimetric analysis for thermal resistance, tensile testing for stress-strength analysis, contact angle analysis for Hydrophobic and Hydrophilic effects, and scanning electronic microscopy (SEM) for observing phase separation. Moreover, to obtain the better miscibility and molecular entanglement, we added silane and pyrrole to modify the reaction. In silane part: Si-O can react with silicone rubber and amine result in ring-opening of epoxide group. In pyrrole part: addition polymerization with silicone rubber and nitrogen atom attribute ring-opening in epoxide group. As a result, the more silicone rubber added in composites, the better thermal resistance was obtained. In DMA testing, SE55 composite (Silicone/Epoxy: 5:5) shows the best miscibility and enhance in thermal properties due to the increase in Tg. In the tensile testing, SE82 (Silicone/Epoxy: 8:2) composite has best performance. And hydrophobic property improved for both modifiers added in the composites.

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